April 05
Prof. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
Problema do clipping
xe
ye
ze
P1
P2
1
1
-n
1
n
n
-n2
n
1
1
-n
1
n
0
0
0
0
n
0
0
0
0
n+f
-1
0
0
nŸf
0
=
=
n
0
0
0
0
n
0
0
0
0
n+f
-1
0
0
nŸf
0
1
1
n
1
=
n
n
n2+2nf
-n
-1
-1
-n-2f
1
=
xe
ye
ze
P’1
P’2
¸ w